Line Array Systems HDL Series with Phaseguide Technology 2×80 Watts Polymer Diaphragm Neodymium Compressor Driver 2×10″ High Efficiency 500 Watts Neodymium Speaker Enclosure constructed of high quality plywood with rugged durable finish Precision crossover for optimal driver integration Italian Technology Controls the direction of sound and projects sound out with 75 degrees of symmetrical vertical coverage and wide horizontal coverage.